(Prowling Spiders)

The spider family Eutichuridae, commonly known as Prowling Spiders, have been sighted 58 times by contributing members. Based on collected data, the geographic range for Eutichuridae includes 7 countries and 20 states in the United States. Eutichuridae is most often sighted indoors, and during the month of March.

Taxonomic Hierarchy

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Arachnida
  • Order: Araneae
  • Suborder: Araneomorphae
  • Family: Eutichuridae

Other Common Names

Prowling Spiders, Longlegged Sac Spiders, Sac Spiders


Pekka T. Lehtinen, 1967

Sightings Overview

There have been 58 confirmed sightings of Eutichuridae (Prowling Spiders), with the most recent sighting submitted on April 25, 2018 by Spider ID member kendunk. The detailed statistics below may not utilize the complete dataset of 58 sightings because of certain Eutichuridae sightings reporting incomplete data.

  • Web: 6% of the time, Eutichuridae spiders are sighted in a spider web (Sample size: 35)
  • Sex:¬†10 female and 20 male.
  • Environment:¬†Eutichuridae has been sighted 6 times outdoors, and 29 times indoors.
  • Outdoors: Man-made structure (6).

Location and Range

Eutichuridae (Prowling Spiders) has been sighted in the following countries: Austria, Canada, Czech Republic, Israel, Italy, Spain, United States.

Eutichuridae has also been sighted in the following states: California, Colorado, Connecticut, Georgia, Indiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, New Jersey, New York, Ohio, Pennsylvania, South Dakota, Texas, Utah, Washington, West Virginia, Wisconsin.


Eutichuridae has been primarily sighted during the month of March.

  • January: 7
  • February: 7
  • March: 11
  • April: 10
  • May: 4
  • June: 6
  • July: 2
  • August: 2
  • September: 7
  • October:
  • November:
  • December:

Genus: Cheiracanthium (Long-legged Sac Spiders)

Featured Pictures

Picture of Eutichuridae (Prowling Spiders) - Dorsal Enlarge Picture
Picture of Eutichuridae (Prowling Spiders) Enlarge Picture
Picture of Eutichuridae (Prowling Spiders) - Male - Dorsal Enlarge Picture
Picture of Eutichuridae (Prowling Spiders) - Dorsal Enlarge Picture
Picture of Eutichuridae (Prowling Spiders) - Dorsal Enlarge Picture
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